The OBC3620-F from Depowersupply Electrical is an IP65-Rated Lithium Lead Acid Onboard Battery Charger. It has an output voltage rating of 45 V and a charging current of up to 20 A. This charger has an output power of 900 W and offers an efficiency of up to 93.50%. It is fan-cooled for optimum thermal regulation and integrates short-circuit and over-temperature protection features. This onboard charger is available as a module that measures 287 x 127 x 81 mm and is suitable for mobility scooters, trolling motors, scissor lifts, computer backups, floor scrubbers, airplanes, and heavy equipment.